sudhanshukanwar
Full Stack Developer
Full-Stack Developer with 2.5+ years of experience specializing in Node.js, Express.js, React.js, REST APIs, and databases. I have a strong backend focus and experience building secure, scalable applications, authentication systems, real-time features, and crypto/Web3 platforms. I have worked with blockchain integrations, smart contracts, wallet interactions, and crypto payment workflows.
I’m currently looking for Full-Stack / Backend / Web3 opportunities where I can work on challenging products, contribute to scalable systems, and continue growing my expertise in backend engineering and blockchain technology.
Experience: 2 years
Yearly salary: $60,000
Hourly rate: $20
Nationality: 🇮🇳 India
Residency: 🇮🇳 India
Experience
Full Stack Developer
Tawaka Fusion Tech Pvt Ltd 2025 - 2026
Developed and optimized production-grade React.js dashboards used by 3,000+ users, improving application performance through component optimization and lazy loading. Developed and maintained secure REST APIs using Node.js and Express.js, handling 10K+ daily requests with JWT authentication and role-based access control. Designed end-to-end authentication systems including login, registration, refresh tokens, and session management. Worked on an INR-to-USDT fiat on-ramp platform with wallet management, INR balance tracking, USDT crediting, transaction reconciliation, and blockchain transaction monitoring. Built admin dashboards and audit logs for monitoring payments, settlements, transactions, and user activity.
Full Stack Developer
Firstminer Technology Solutions Pvt Ltd 2024 - 2025
Developed scalable web applications using React.js, Node.js, and Express.js for education and crypto-based platforms. Built a high-performance React-based university portal serving 10,000+ students and staff, integrating REST APIs for admissions, results, notices, and announcements. Developed interactive crypto platform interfaces including tokenomics, roadmap, whitepaper, FAQs, and live price information. Implemented secure authentication flows using JWT and role-based access control. Collaborated with UI/UX designers and backend developers to deliver production-ready features and optimize application performance.
Skills
backend
blockchain
front-end
react
web3
node
english